M 7.7 Earthquake and Tsunami (1.1 m) in Chile from 01 Apr 2014 23:46 UTC to 23:46

Event summary

This earthquake is expected to have a low humanitarian impact based on the magnitude and the affected population and their vulnerability.

Earthquake Magnitude: 7.7M
Depth: 24 Km
Event Date: 01 Apr 2014 23:46 UTC
01 Apr 2014 18:46 Local
Exposed Population: 220000 people within 100km
Source: GEOFON gfz2014gkgf
Inserted at: 01 Apr 2014 23:55 UTC

GDACS Score

For more info on GDACS alert score click here.
  Earthquake Tsunami GDACS score
GEOFON 0.9 2 0.9
gfz2014gkgf Scaled population (vector) n.a Max wave scenario 0m  
  C1 earthquake n.a Max wave realtime 1.07m  
  C2 earthquake n.a      
  Country Vulnerability n.a      
  INFORM_normalised n.a      
Maximum expected impact using different data sources.
Click on image to zoom it.

Episode Timeline

IDAlertScoreDateMag, DepthMMI*Population**Tsunami risk***Delay (hh:mm)Source
1045418 0.9 01 Apr 2014 23:46 7.7M, 24km N/A 230 thousand (in 100km) 1.1m (at 00:10) 00:08 GEOFON
1045420 2.1 01 Apr 2014 23:46 8M, 10km N/A 230 thousand (in 100km) 3.1m (at 00:16) 00:09 NEIC
1045427 2.1 01 Apr 2014 23:46 8M, 10km N/A 980 thousand (in MMI>=VII) 3.1m (at 00:16) 00:19 NEIC
1045437 2 01 Apr 2014 23:46 8.2M, 20.13km N/A 980 thousand (in MMI>=VII) 3.2m (at 00:16) 01:01 NEIC
1046140 2.1 01 Apr 2014 23:46 8M, 10km N/A 230 thousand (in 100km) 3.1m (at 00:16) 6d 06:51 USGS
The episode that generated the alert; the next major evaluations beyond 12 hours will not trigger additional alerts.
The episode that has the last updated information.
* The max MMI detected for sources having shakemaps;
** The population detected in MMI>=7 for episode with shakemap or in a 100km radius;
*** The tsunami max height.

Tsunami affected locations

The maximum Wave height is  1.1m in Junin, Chile. This height is estimated for 1-Apr-2014 23:56:00.

Alert Date (UTC) Name Country Wave height (m)
1-Apr-2014 23:56:00 Junin Chile  1.1
1-Apr-2014 23:56:00 Pisagua Chile  1.1
2-Apr-2014 01:16:00 Arica Chile  0.6
2-Apr-2014 01:16:00 Chinchorro Chile  0.6
2-Apr-2014 00:18:00 Iquique Chile  0.6
2-Apr-2014 00:18:00 Punta_Negra Chile  0.6
2-Apr-2014 00:42:00 Chucumata Chile  0.5
2-Apr-2014 01:16:00 Huata Peru  0.5
2-Apr-2014 00:46:00 Patillos Chile  0.5
2-Apr-2014 00:58:00 Chanabaya Chile  0.5
1-Apr-2014 23:56:00 Alto_Hospicio Chile  0.3
2-Apr-2014 01:10:00 Morro_de_Sama Peru  0.3
2-Apr-2014 00:46:00 Playa_Blanca Chile  0.3
2-Apr-2014 00:46:00 Antofagasta Chile  0.3
2-Apr-2014 01:08:00 Los_Palos_Hacienda Peru  0.3
2-Apr-2014 01:06:00 Punta_Colorada Peru  0.3
2-Apr-2014 01:12:00 Los_Banos Peru  0.3
2-Apr-2014 01:14:00 Corio Peru  0.3
2-Apr-2014 00:58:00 Chusqui Peru  0.3
2-Apr-2014 01:10:00 Tres_Puntas Chile  0.3
2-Apr-2014 01:10:00 Tocopilla Chile  0.3
2-Apr-2014 01:12:00 Carrizal Peru  0.3
2-Apr-2014 01:16:00 Carrizal Peru  0.3
2-Apr-2014 01:04:00 Angola Peru  0.3
2-Apr-2014 01:06:00 Ilo Peru  0.3
2-Apr-2014 01:06:00 Pacocha Peru  0.3
2-Apr-2014 00:48:00 Michilla Chile  0.3
2-Apr-2014 01:12:00 Mollendo Peru  0.3
2-Apr-2014 01:06:00 Mejillones Chile  0.3
2-Apr-2014 01:08:00 Chacalluta Chile  0.2
2-Apr-2014 01:10:00 Alfarillo Peru  0.2
2-Apr-2014 01:14:00 Quillagua Chile  0.2
2-Apr-2014 00:20:00 Pozo_Perdido Chile  0.2
2-Apr-2014 01:02:00 La_Chimba Chile  0.2
2-Apr-2014 00:48:00 Punta_de_Bombon Peru  0.2
2-Apr-2014 01:14:00 Platanal Peru  0.2
2-Apr-2014 01:16:00 Mejia Peru  0.2
2-Apr-2014 01:14:00 Yerba_Buena Peru  0.2
2-Apr-2014 02:12:00 Ensenada Peru  0.2
2-Apr-2014 01:36:00 Taltal Chile  0.2
2-Apr-2014 01:36:00 Cascabeles Chile  0.2
2-Apr-2014 01:36:00 San_Ramon Chile  0.2
2-Apr-2014 01:16:00 Cobija Chile  0.2
2-Apr-2014 01:16:00 Guardiania Peru  0.2
2-Apr-2014 01:16:00 Chagllianto Peru  0.2
2-Apr-2014 03:28:00 El_Cardo Peru  0.2
2-Apr-2014 03:28:00 Camana Peru  0.2
2-Apr-2014 00:22:00 Gatico Chile  0.2
2-Apr-2014 02:52:00 Jaguey Peru  0.2
2-Apr-2014 01:30:00 Chala Peru  0.2
2-Apr-2014 01:24:00 Pueblo_Nuevo Peru  0.1
2-Apr-2014 01:24:00 Infiernillo Peru  0.1
2-Apr-2014 03:02:00 Monolito Chile  0.1
2-Apr-2014 03:02:00 Aguada_del_Pueblo Chile  0.1
2-Apr-2014 01:12:00 Camino_del_Yeso Chile  0.1
2-Apr-2014 01:08:00 Yauca Peru  0.1
2-Apr-2014 01:08:00 Chavina Peru  0.1
2-Apr-2014 00:24:00 Islay Peru  0.1
2-Apr-2014 03:00:00 Poposo Chile  0.1
2-Apr-2014 01:34:00 El_Barquito Chile  0.1
2-Apr-2014 01:34:00 Chanaral Chile  0.1
2-Apr-2014 00:50:00 Pedregal Peru  0.1
2-Apr-2014 03:34:00 Las_Tres_Quebradas Peru  0.1
2-Apr-2014 02:02:00 Pescadores Peru  0.1
2-Apr-2014 02:02:00 Cerro_de_Arena Peru  0.1
2-Apr-2014 02:52:00 La_Punta Peru  0.1
2-Apr-2014 02:54:00 El_Desaire Peru  0.1
2-Apr-2014 02:54:00 La_Bodega Peru  0.1
2-Apr-2014 03:24:00 San_Juan Peru  0.1
2-Apr-2014 03:50:00 Puerto_San_Juan Peru  0.1
2-Apr-2014 03:48:00 El_Cobre Chile  0.1
2-Apr-2014 03:52:00 Punta_de_Lobos Peru  0.1
2-Apr-2014 03:20:00 Puerto_de_Lomas Peru  0.1
2-Apr-2014 04:00:00 Campamento_Tres_Hermanas Peru  0.1
2-Apr-2014 04:08:00 Totoral Chile  0.1
2-Apr-2014 01:04:00 Aguada_de_la_Zorra Peru  0.1
2-Apr-2014 01:00:00 Tanaca Peru  0.1
2-Apr-2014 03:36:00 Puerto_Caballas Peru  0.1
2-Apr-2014 01:58:00 Huasco Chile  0.1
2-Apr-2014 01:58:00 Huasco_Bajo Chile  0.1
2-Apr-2014 03:04:00 Angostura Chile  0.1
2-Apr-2014 03:24:00 San_Nicolas Peru  0.1
2-Apr-2014 01:54:00 Atiquipa Peru  0.1
2-Apr-2014 02:26:00 Cifuncho Chile  0.1
2-Apr-2014 03:56:00 Caldera Chile  0.1
2-Apr-2014 03:56:00 Burro_Muerto Chile  0.1
2-Apr-2014 02:16:00 Totoralillo Chile  0.1
2-Apr-2014 03:56:00 Parakas Peru  0.1
2-Apr-2014 04:10:00 Choros Chile  0.1

See full locations list (RSS)


Initial conditions

Title: "M7.7 Near Coast of Northern Chile"

Fault parameters

  • Latitude: NaN
  • Longitude: NaN
  • Length: 112 km
  • Width: 31 km
  • Magnitude: 7.7 M

Okada parameters:

  • Slip: 2.9 m
  • Strike: 333 (geogr angle: north=0, south=180)
  • Dip: 14 degree
  • Rake: 90 degree
  • Depth: 24 km

Calculation parameters

  • Calculation space (lon/lat): -81.03, -30.12, -60.03, -9.12
  • Instead of Step -> use Cell size:1.75 minutes

Sea Level

More information

  • Timeline:
    Tsunami calculations performed to this case, click here

For a full list of available products related to this event, please refer to the GDACS Resources page.